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Mortal Sin cover

Mortal Sin

A Role-playing (RPG) game by Nikola Todorovic, released in 2025

81/100🔴Niche / Inactive🏆Proton PlatinumPC (Microsoft Windows)

An Action-Horror Roguelike unlike any other where you must strategically dismember horrific monsters to survive. Discover powerful weapons and magic as you explore beautifully detailed and haunting environments which are randomly generated on every playthrough.

Single player

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Mortal Sin Download Size

The official download size for Mortal Sin is 8 GB. Based on current hardware prices, this installation consumes approximately $0.48 worth of SSD storage space.

Standard Install

File Size

8GB

Est. SSD Cost

$0.48USD
100 Mbps
My Internet Speed100 Mbps
Quick Presets

Estimated Time to Install

10 mins

Is Mortal Sin Dead?

Live player count and server population analysis.

🔴Niche / Inactive
25Players Online

There are currently 25 people playing Mortal Sin, indicating a niche or private community. Coordinate via Discord for best results.

Current Activity24h Peak: 30
Estimated Match Wait: Long Wait / Discord Required
Live Data from SteamAPI

Where is the Mortal Sin save file?

Manual backup locations for PC, Mac, and Linux.

Steam Cloud Supported
Copy
%USERPROFILE%\AppData\Local\MortalSin\Saved\SaveGames

How to backup manually on Windows

  1. Press Win + R to open the Run dialog.
  2. Paste the path above and press Enter.
  3. Locate the save files (usually .sav, .json, or similar).
  4. Copy the entire folder to a backup location.
Copy
~/Library/Application Support/MortalSin/Saves

How to backup manually on Mac

  1. Open Finder and press ⌘ + Shift + G.
  2. Paste the path above and click Go.
  3. Locate the save files in the folder.
  4. Duplicate the folder to create a backup.
Copy
~/.local/share/MortalSin/Saves

How to backup manually on Linux

  1. Open a terminal and use cd to navigate to the path.
  2. Or use your file manager and press Ctrl + L to enter the path.
  3. Locate the save files (.sav, .json, or game-specific format).
  4. Copy the folder with cp -r or your file manager.
Source: PCGamingWiki ↗

Is Mortal Sin Steam Deck Compatible?

SteamOS and Linux Proton performance analysis.

Valve Official🚫Unsupported
Community Rating🏆 Proton Platinum

Community Verdict: Playable!

Don't let the "Unsupported" tag fool you. While Valve hasn't officially verified Mortal Sin, ProtonDB users report it runs perfectly (Gold/Platinum rating). You may need to force a specific Proton version.

Confidence: Moderate
See 9 user configs ↗

Can I Run Mortal Sin?

PC system requirements - Minimum vs Recommended specs.

To run Mortal Sin smoothly, your PC needs at least 8 GB RAM RAM and a GeForce GTX 1060 or equivalent GPU. Plan for 8 GB of storage.

Minimum1080p / 30 FPS
  • 💻
    OSMicrosoft Windows 7
  • ⚡
    CPUIntel Core i5-2500K
  • 🧠
    RAM8 GB RAM
  • 🎮
    GPUGeForce GTX 670
  • 💾
    Storage3 GB available space
Recommended1440p / 60 FPS
  • 💻
    OSMicrosoft Windows 10
  • ⚡
    CPUIntel Core i5-6600K
  • 🧠
    RAM8 GB RAM
  • 🎮
    GPUGeForce GTX 1060
  • 💾
    Storage3 GB available space
Download Size
8 GBSmall

Is Mortal Sin Good?

Aggregated critic scores and player sentiment analysis.

81
Rated 81 out of 100
Generally Favorable1 Verified Reviews

The Verdict

Based on 1 critic reviews, Mortal Sin has received generally positive feedback. With a solid score of 81, it stands out as a strong entry in the role-playing (rpg) category, though it may have minor flaws.

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